Broughton, J., & Simpson, H. F. (1995). Regional differences in road safety: A Northern Ireland perspective. Transport Research Laboratory.
Chicago Style (17th ed.) CitationBroughton, J., and Helen F. Simpson. Regional Differences in Road Safety: A Northern Ireland Perspective. Crowthorne, Berkshire: Transport Research Laboratory, 1995.
MLA (9th ed.) CitationBroughton, J., and Helen F. Simpson. Regional Differences in Road Safety: A Northern Ireland Perspective. Transport Research Laboratory, 1995.
Warning: These citations may not always be 100% accurate.